How can I prevent udevd from renaming eth0 to em1

JD jd1008 at gmail.com
Wed Oct 17 20:01:25 UTC 2012


On 10/16/2012 05:05 PM, JD wrote:
>
> On 10/16/2012 02:27 AM, Reindl Harald wrote:
>>
>> Am 16.10.2012 04:58, schrieb JD:
>>> I googled this and came across 2 purported
>>> solutions, neither of which worked.
>>> 1. Uninstall package biosdevname and reboot.
>>>
>>> That did not prevent udevd from renaming eth0 to em1.
>>>
>>> 2. Add the line
>>> biosdevname=0
>>> to /boot/grub2/grub.cfg
>>>
>>> That did not work either.
>>> Any other way to get around this renaming?
>> find out your MAC-address with "ifconfig -a"
>> make a udev-rule like below (ONE line) for the MAC
>> reboot the machine after that and you are done
>>
>> [root at rh:~]$ cat /etc/udev/rules.d/70-persistent-net.rules
>> # PCI device 0x8086:0x1502 (e1000e)
>> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
>> ATTR{address}=="78:ac:c0:b1:76:e4", ATTR{dev_id}=="0x0",
>> ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
>>
>>
>>
> I made the change and rebooted.
>
> $ dmesg | grep em1
> [    5.949297] udevd[219]: renamed network interface eth0 to em1
> $ ifconfig eth0
> eth0: error fetching interface information: Device not found
>
> $ cat /etc/udev/rules.d/70-persistent-net.rules
> # This file was automatically generated by the /lib/udev/write_net_rules
> # program, run by the persistent-net-generator.rules rules file.
> #
> # You can modify it, as long as you keep each rule on a single
> # line, and change only the value of the NAME= key.
>
> # PCI device 0x168c:0x0023 (ath9k)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
> ATTR{address}=="edited-out", ATTR{dev_id}=="0x0", ATTR{type}=="1", 
> KERNEL=="wlan*", NAME="wlan0"
>
> # PCI device 0x1039:0x0900 (sis900)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
> ATTR{address}=="edited-out", ATTR{dev_id}=="0x0",
> ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"
>
> # USB device 0x0bda:0x8187 (usb) (custom name provided by external tool)
> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
> ATTR{address}=="edited-out", ATTR{dev_id}=="0x0", ATTR{type}=="1", 
> KERNEL=="wlan*", NAME="wlan1"
>
So, does anyone have any other suggestion how to
prevent udevd from renaming eth0 to em1?


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